Cita APA (7th ed.)

Johnson, D. A., & Rising, G. R. (1967). Guidelines for teaching mathematics. Wadsworth Pub. Co.

Cita Chicago (17th ed.)

Johnson, Donovan A., i Gerald R. Rising. Guidelines for Teaching Mathematics. Belmont, Calif: Wadsworth Pub. Co, 1967.

Cita MLA (9th ed.)

Johnson, Donovan A., i Gerald R. Rising. Guidelines for Teaching Mathematics. Wadsworth Pub. Co, 1967.